mirror of
https://github.com/glfw/glfw.git
synced 2024-11-10 09:01:46 +00:00
127 lines
4.8 KiB
C
127 lines
4.8 KiB
C
//========================================================================
|
|
// GLFW 3.1 GLX - www.glfw.org
|
|
//------------------------------------------------------------------------
|
|
// Copyright (c) 2002-2006 Marcus Geelnard
|
|
// Copyright (c) 2006-2010 Camilla Berglund <elmindreda@elmindreda.org>
|
|
//
|
|
// This software is provided 'as-is', without any express or implied
|
|
// warranty. In no event will the authors be held liable for any damages
|
|
// arising from the use of this software.
|
|
//
|
|
// Permission is granted to anyone to use this software for any purpose,
|
|
// including commercial applications, and to alter it and redistribute it
|
|
// freely, subject to the following restrictions:
|
|
//
|
|
// 1. The origin of this software must not be misrepresented; you must not
|
|
// claim that you wrote the original software. If you use this software
|
|
// in a product, an acknowledgment in the product documentation would
|
|
// be appreciated but is not required.
|
|
//
|
|
// 2. Altered source versions must be plainly marked as such, and must not
|
|
// be misrepresented as being the original software.
|
|
//
|
|
// 3. This notice may not be removed or altered from any source
|
|
// distribution.
|
|
//
|
|
//========================================================================
|
|
|
|
#ifndef _glx_context_h_
|
|
#define _glx_context_h_
|
|
|
|
#define GLX_GLXEXT_LEGACY
|
|
#include <GL/glx.h>
|
|
|
|
// This path may need to be changed if you build GLFW using your own setup
|
|
// We ship and use our own copy of glxext.h since GLFW uses fairly new
|
|
// extensions and not all operating systems come with an up-to-date version
|
|
#include "../deps/GL/glxext.h"
|
|
|
|
// Do we have support for dlopen/dlsym?
|
|
#if defined(_GLFW_HAS_DLOPEN)
|
|
#include <dlfcn.h>
|
|
#endif
|
|
|
|
// We support four different ways for getting addresses for GL/GLX
|
|
// extension functions: glXGetProcAddress, glXGetProcAddressARB,
|
|
// glXGetProcAddressEXT, and dlsym
|
|
#if defined(_GLFW_HAS_GLXGETPROCADDRESSARB)
|
|
#define _glfw_glXGetProcAddress(x) glXGetProcAddressARB(x)
|
|
#elif defined(_GLFW_HAS_GLXGETPROCADDRESS)
|
|
#define _glfw_glXGetProcAddress(x) glXGetProcAddress(x)
|
|
#elif defined(_GLFW_HAS_GLXGETPROCADDRESSEXT)
|
|
#define _glfw_glXGetProcAddress(x) glXGetProcAddressEXT(x)
|
|
#elif defined(_GLFW_HAS_DLOPEN)
|
|
#define _glfw_glXGetProcAddress(x) dlsym(_glfw.glx.libGL, x)
|
|
#define _GLFW_DLOPEN_LIBGL
|
|
#else
|
|
#error "No OpenGL entry point retrieval mechanism was enabled"
|
|
#endif
|
|
|
|
#define _GLFW_PLATFORM_FBCONFIG GLXFBConfig glx
|
|
#define _GLFW_PLATFORM_CONTEXT_STATE _GLFWcontextGLX glx
|
|
#define _GLFW_PLATFORM_LIBRARY_CONTEXT_STATE _GLFWlibraryGLX glx
|
|
|
|
#ifndef GLX_MESA_swap_control
|
|
typedef int (*PFNGLXSWAPINTERVALMESAPROC)(int);
|
|
#endif
|
|
|
|
|
|
//========================================================================
|
|
// GLFW platform specific types
|
|
//========================================================================
|
|
|
|
//------------------------------------------------------------------------
|
|
// Platform-specific OpenGL context structure
|
|
//------------------------------------------------------------------------
|
|
typedef struct _GLFWcontextGLX
|
|
{
|
|
GLXContext context; // OpenGL rendering context
|
|
XVisualInfo* visual; // Visual for selected GLXFBConfig
|
|
|
|
} _GLFWcontextGLX;
|
|
|
|
|
|
//------------------------------------------------------------------------
|
|
// Platform-specific library global data for GLX
|
|
//------------------------------------------------------------------------
|
|
typedef struct _GLFWlibraryGLX
|
|
{
|
|
// Server-side GLX version
|
|
int versionMajor, versionMinor;
|
|
int eventBase;
|
|
int errorBase;
|
|
|
|
// GLX extensions
|
|
PFNGLXSWAPINTERVALSGIPROC SwapIntervalSGI;
|
|
PFNGLXSWAPINTERVALEXTPROC SwapIntervalEXT;
|
|
PFNGLXSWAPINTERVALMESAPROC SwapIntervalMESA;
|
|
PFNGLXCREATECONTEXTATTRIBSARBPROC CreateContextAttribsARB;
|
|
GLboolean SGI_swap_control;
|
|
GLboolean EXT_swap_control;
|
|
GLboolean MESA_swap_control;
|
|
GLboolean ARB_multisample;
|
|
GLboolean ARB_framebuffer_sRGB;
|
|
GLboolean ARB_create_context;
|
|
GLboolean ARB_create_context_profile;
|
|
GLboolean ARB_create_context_robustness;
|
|
GLboolean EXT_create_context_es2_profile;
|
|
|
|
#if defined(_GLFW_DLOPEN_LIBGL)
|
|
void* libGL; // dlopen handle for libGL.so
|
|
#endif
|
|
} _GLFWlibraryGLX;
|
|
|
|
|
|
//========================================================================
|
|
// Prototypes for platform specific internal functions
|
|
//========================================================================
|
|
|
|
int _glfwInitContextAPI(void);
|
|
void _glfwTerminateContextAPI(void);
|
|
int _glfwCreateContext(_GLFWwindow* window,
|
|
const _GLFWctxconfig* ctxconfig,
|
|
const _GLFWfbconfig* fbconfig);
|
|
void _glfwDestroyContext(_GLFWwindow* window);
|
|
|
|
#endif // _glx_context_h_
|